A. billion B. evaluation C. decorate D. idea A. shortcoming B. dad C. rescue D. laboratory A. building block B. write C. attach to D. fall over A. journalist B. kind C. toss D. grip A. shore B. America C. chalk D. wrong A. turn B. choice C. fifty D. Mid-Autumn A. sarcastic B. draft C. on guard D. email A. much B. in a low voice C. speech D. contaminate A. in danger B. left C. promptly D. continental A. drank B. product C. dear D. ash